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1. Listing metadata
Field-level data| zapEvent | Happy Birthday | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Developer | ||
| Listed | ||
| Last updated | — | — |
| zapEvent | Happy Birthday | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
Send a birthday email with a discount to build loyalty and repeat purchases
| Metric | zapEvent: GTM+Pixel DataLayer | Happy Birthday Email by UW |
|---|---|---|
| Rating | — | 5.0 ★ |
| Total reviews | 0 | 145 |
| Free plan | Yes | Yes |
| Pricing | Free | Free trial available |
| Built for Shopify | — | — |
| Pricing tiers | — | 3 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 1 |
| Languages | 1 supported | 1 supported |
| Listed since | Jun 2025 | Jun 2017 |
Based on the data on this page, Happy Birthday Email by UW is the stronger choice for most Shopify App Store merchants — 5.0★ vs zapEvent: GTM+Pixel DataLayer's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: zapEvent: GTM+Pixel DataLayer at Free, Happy Birthday Email by UW at Free trial available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Happy Birthday Email by UW has the larger user base (145 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. zapEvent: GTM+Pixel DataLayer's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Happy Birthday Email by UW; mid-market and enterprise merchants with specific feature requirements should evaluate both — zapEvent: GTM+Pixel DataLayer's 0-review base may include the workflow context that matches your specific use case better than Happy Birthday Email by UW's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: zapEvent: GTM+Pixel DataLayer audit • Happy Birthday Email by UW audit
| Keyword | zapEvent | Happy Birthday |
|---|---|---|
| giveaways and contests | Not ranked | #11 |
| giveaways and | Not ranked | #23 |
| giveaways | Not ranked | #24 |
| repro probe 1782162822845 2 | #29 | Not ranked |
| repro probe 1782076938725 2 | #31 | Not ranked |
Not featured in any section recently.
Both zapEvent: GTM+Pixel DataLayer and Happy Birthday Email by UW offer paid plans only. zapEvent: GTM+Pixel DataLayer starts at Free; Happy Birthday Email by UW starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
AppRanks cannot separate these two on rating, because neither publishes one. Happy Birthday Email by UW does carry the larger published review base (145 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Happy Birthday Email by UW has the deeper published review base (145 vs 0), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
zapEvent: GTM+Pixel DataLayer typically suits early-stage and growth-mode teams based on its published review base (0 reviews). Happy Birthday Email by UW typically suits early-stage and growth-mode teams based on its published review base (145 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. zapEvent: GTM+Pixel DataLayer and Happy Birthday Email by UW both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from zapEvent: GTM+Pixel DataLayer" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
